56. I found _______impossible for _______to work out the maths problem.
Why are you doing that? If I ____you, I’d stop.
Mr. Black was old, but able to _______quickly to changes in technology.
When I met Becky, she told me that she ______ for an interview the next day.
Many high school students wish that they ______ at a top university in the future.
When I was in primary school, I was told that the earth ______around the sun.